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Forum Discussion
Drive 3 LED lit, RAIDar & Console say #3 is fine
My ReadyNAS 4 Pro recently lit up the drive 3 LED. However, RAIDar and admin console show 4 green (healthy) indicators. Logs show no errors/events. How can I troubleshoot the lit LED?
Thanks,
Mike
Thanks,
Mike
6 Replies
- firmware 4.2.19
All 4 drives are identical
SMART Information for Disk 3
Model: WDC WD2002FAEX-007BA0
Serial: WD-WMAYXXXXXXX
Firmware: 05.01D05
SMART Attribute
Raw Read Error Rate 0
Spin Up Time 7108
Start Stop Count 8
Reallocated Sector Count 0
Seek Error Rate 0
Power On Hours 4194
Spin Retry Count 0
Calibration Retry Count 0
Power Cycle Count 7
Power-Off Retract Count 5
Load Cycle Count 2
Temperature Celsius 44
Reallocated Event Count 0
Current Pending Sector 0
Offline Uncorrectable 0
UDMA CRC Error Count 0
Multi Zone Error Rate 0
ATA Error Count 0 - If you have a Pro 4 with 4 drives installed, all four drives LEDs should be lit on the front panel. You are saying that only the one for Bay 3 is lit?
I don't see any problems in the smart info you posted, but I would remove the drive serial number. It is unnecessary and never a good idea to post serial numbers in a public forum. - Thanks, edited. #3 is the only LED lit.
- Probably a good idea to open a tech support (http://www.readynas.com/support) case for this issue. Edit the thread title (i.e. subject of first post in the thread) to include your case number. They'll likely need to review your logs then possibly depending on the nature of the problem a RMA might be needed.
- Definitely.
In the meantime, if you do not have a current and complete backup of your data, now would be a good time to start while you still have access to the NAS. Something is definitely amiss.
Since the normal state is with a bay number being lit when a drive is present and active, and all four should have been lit since the initial setup, you may not have noticed a difference until only one was lit. The fact that all four are green in Frontview would tend to indicate that the array is still sound, there may be a hardware issue. A full and current backup will give you that Plan B to fall back on - just in case. - It might have dropped from the OS RAID. The data RAID array would be intact, but if the OS mirror (across all disks) is missing it, that LED would light up.
If you download the system logs and view mdstat.log, may give some clues.
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